shell_aliasrc

# ----- Start in the last directory you were in ------------------------------

# Move to the last saved working directory if one exists
if [ -e ~/.last_cd ]
then
    cd "$(cat ~/.last_cd)"
fi

# Saves current directory between sessions
unalias cd 2>/dev/null # Prevent infinite loops if sourcing this file again in the same session
logged_cd() {
    cd "$@"
    pwd > ~/.last_cd
}

alias "cd"="logged_cd" # keep track of most recent directory 
alias "cdb"="cd ~-" # cd to previous directory
alias ..="cd .."
alias ...="cd ../.."
alias ....="cd ../../.."
alias ..2="cd ../.."
alias ..3="cd ../../.."
alias ..4="cd ../../../.."
alias ..5="cd ../../../../.."
alias cd..="cd .."
alias cd...="cd ../.."
alias cd....="cd ../../.."
alias cd.....="cd ../../../.."
alias cd......="cd ../../../../.."

alias md="mkdir"
alias rg="rg -S" # Makes ripgrep case insensitive by default (use rg -s for case sensitive)
alias rgf="rg --files | rg" # For searching through only filenames in current dir instead of file contents
alias df="duf" # A better df alternative
alias du="dust -d 1" # A better du alternative - shows the sizes of all subdirs in this current dir

alias gpsh="git push"
alias gpl="git pull"

# Make a dir and immediately cd into it
function mkdircd(){
    mkdir "$1" && cd "$1"
}
alias mkdirc="mkdircd"
alias mkcd="mkdircd"

tmux_clear() {
    if [ -n "$TMUX" ]; then
        clear
        tmux clear-history
    else
        clear
    fi
}
alias "clear"="tmux_clear"

# Use vim keybindings in the terminal!
#set -o vi

# ----- convenient alias and function definitions ----------------------------

# ls uses colors, shows human-readable file sizes, shows indicators to classify file types
# Assuming that you are using gnu core utils installed via brew
#   Otherwise, you need to uncomment the below lines to enable the different, 
#   Mac-specific ls flags to enable colors
alias ls='ls --color=auto --human-readable --classify'
#if [[ ${OS_NAME} == "Linux" ]]; then
    #alias ls='ls --color=auto --human-readable --classify'
#elif [[ ${OS_NAME} == "Mac" ]]; then
    #alias ls='ls -G -h -F'
#fi
alias l='ls'
alias la='ls -Al'
alias lla='la'
alias lal='la'
alias ll='ls -l'
alias llt='ls -lt'
alias llth='ls -lt | head' # get the few most recently modified files
alias lltr='ls -ltr'
alias lltrh='ls -ltr | head'
alias l.="ls -A | egrep '^\.'" # List only hidden files
alias sl='ls'

alias grep='grep --color=auto'
alias lgrep="ls -AF | grep"

diff-pretty() {
    if which diff-so-fancy >/dev/null; then
        diff -u $1 $2 | diff-so-fancy
    else
        diff -u $1 $2
    fi
}
alias diff='diff-pretty'

alias killz='killall -9 '
alias hidden='ls -a | grep "^\..*"'

# Use \command to run the unaliased version of any command
#   such as if you want to rm a large dir without it printing everything, use \rm
alias rm='rm -v'
alias cp='cp -v'
alias mv='mv -v'

alias shell='ps -p $$ -o comm='

alias cc='gcc -Wall -W -ansi -pedantic -O2 '
alias valgrind-leak='valgrind --leak-check=full --show-reachable=yes'

alias g='git'
alias gi='git'
alias v='vim'
alias nv='nvim'
alias s='source'

alias pdb='python -m pdb'
alias jup='jupyter'
alias jupnb='jupyter notebook'

# Open github url for current repo's remote
alias gh_open="git remote -v | awk '/fetch/{print \$2}' | sed -Ee 's#(git@|git://)#https://#' -e 's@com:@com/@' | head -n1 | xargs open"

# Connect to existing tmux session if one exists, else create a new one
tm() {
    num_sess=$(tmux list-session | wc -l)
    if [[ ${num_sess} -gt 1 && $# -ne 1 ]]; then
        echo "ERR: There are multiple tmux sessions, so call this function with an argument choosing the session number"
        echo "$(tmux list-session)"
        return 1
    elif [[ ${num_sess} -gt 1 && $# -eq 1 ]]; then
        tmux attach -t $1
    elif [[ ${num_sess} -eq 1 ]]; then
        tmux attach # Connect to existing session 
    else
        tmux # Make new session
    fi
}

# Attach to a session. Ex. "tmls" and then "tma projX" where projX is one of the names shown in tmls
# To make a named session do "tmux new -s <proj_name>"
alias tma="tmux attach -t" 
alias tmls='tmux ls'

# Python venv utils
# Create a venv with `python -m venv <venv_name>`. Most commonly do `python -m venv venv`
# Deactivate the current venv with simply the command `deactivate`
VA() {
    venv_folder_name="${1:-venv}" # Uses the name 'venv' by default since that's most common
    source "${venv_folder_name}/bin/activate"
}

# Usage: CA <venv>
alias CA='conda activate'
alias CD='conda deactivate'
alias capt="CA pytorch_p36"
alias CAPT="CA pytorch_p36"
alias catf="CA tensorflow_p36"
alias CATF="CA tensorflow_p36"

alias tb='tensorboard --logdir'
alias ai="aichat"
alias aic="aichat -c" # ai code
alias aiq="aichat" # ai question

# fzf + autojump 
# Like normal autojump when used with arguments, but displays an fzf prompt when used without
j() {
    if [[ "$#" -ne 0 ]]; then
        cd $(autojump $@)
        return
    fi
    cd "$(autojump -s | sort -k1gr | awk '$1 ~ /[0-9]:/ && $2 ~ /^\// { for (i=2; i<=NF; i++) { print $(i) } }' |  fzf --height 40% --reverse --inline-info)" 
}

# Set up fzf key bindings and fuzzy completion
eval "$(fzf --zsh)"

# fzf + $PATH
# Search for things in your $PATH
# list directories in $PATH, press [enter] on an entry to list the executables inside.
# press [escape] or ctrl-C to go back to directory listing
fzfpath() {
    local loc=$(echo $PATH | sed -e $'s/:/\\\n/g' | eval "fzf ${FZF_DEFAULT_OPTS} --header='[find:path]'")

    if [[ -d $loc ]]; then
        echo "$(rg --files $loc | rev | cut -d"/" -f1 | rev)" | eval "fzf ${FZF_DEFAULT_OPTS} --header='[find:exe] => ${loc}' >/dev/null"
        fzfpath
    fi
}

### fzf + brew 
# Search for a brew package and then install it!
fzfbrew() {
    local inst=$(brew search | eval "fzf ${FZF_DEFAULT_OPTS} -m --header='[brew:install]'")

    if [[ $inst ]]; then
        for prog in $(echo $inst); do
            brew install $prog
        done
    fi
}


# Make fzf use ripgrep by default 
# Main benefit of this is so that fzf will ignore files in .gitignore by default
#   which is great
if type rg &> /dev/null; then
    export FZF_DEFAULT_COMMAND='rg --files --hidden'
fi
export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"

# Make ctrl-k in terminal auto-open fzf history window
#   This is really good since you might know that the cmd you want is 2 up 
#   arrows away normally, but this lets you *visually* see that which is 
#   just very nice
# bindkey "$terminfo[kcuu1]" fzf-history-widget
bindkey "^k" fzf-history-widget


# Default ctrl-L just scrolls down instead of actually clearing the past terminal lines
# This makes it clear everything
clear-terminal() { tput reset; zle redisplay; }
zle -N clear-terminal
bindkey '^L' clear-terminal


# This function does an adb logcat and only shows you the logs printed from your specific app's PID
# Call this function with the package name of your app: e.g. com.converge.com
# Note that once the app crashes or ends, you'll have to re-run this command since the app will have a new PID
function adb_logcat_myapp() {
    if [[ $# -ne 1 ]]; then
        echo -e "\nErr: Call this with your app package name (e.g. com.company.app)"
        echo -e "\nRun \`adb shell ps | less\` to find your package name if you don't know it"
        adb shell ps | head
    else
        adb logcat | grep `adb shell ps | grep $1 | tr -s '[:space:]' ' ' | cut -d' ' -f2`
    fi
}
alias logcat-app=adb_logcat_myapp

# Shows the 10 most recently modifed files from most recent descending
find_recent_modified_files() {

    if [[ -z $1 ]]; then
        IGNORE_HIDDEN_FILES=false
    elif [[ $1 == "--ignore-hidden" ]]; then
        IGNORE_HIDDEN_FILES=true
    else
        echo "Invalid argument. Supported options are: '--ignore-hidden'."
        return 1
    fi

    if [[ ${OS_NAME} == "Mac" ]]; then
        if [[ ${IGNORE_HIDDEN_FILES} == "true" ]]; then
            find . -not -path '*/\.*' -exec stat -f '%m%t%Sm %N' {} + | sort -nr | cut -f2- | head -n10
        else
            find . -exec stat -f '%m%t%Sm %N' {} + | sort -nr | cut -f2- | head -n10
        fi

    elif [[ ${OS_NAME} == "Linux" ]]; then
        if [[ ${IGNORE_HIDDEN_FILES} == "true" ]]; then
            find . -type f -not -path '*/\.*' -print0 | xargs -0 stat --format '%Y :%y %n' | sort -nr | cut -d: -f2- | head
        else
            find . -type f -print0 | xargs -0 stat --format '%Y :%y %n' | sort -nr | cut -d: -f2- | head
        fi

    fi
}
alias mods="find_recent_modified_files"

# Find files that are modified n minutes ago, where n is the argument 
# Ex. lastmod 5 # Lists all files modified within the past 5 minutes
function lastmod() {
    find -type f -mmin -$1 -exec ls -l {} +
}

# List the largest files in this directory (shows in bytes)
alias largest-files="find . -printf '%s %p\n' | sort -rn | head"

# List the largest directories and files in this dir (shows in MB)
alias largest-dirs="\du -am | sort -rn | less"

# List the largest immediate directories in this dir (shows in MB)
alias largest-dirs-1="\du -m --max-depth 1 | sort -rn | head"

# Displays top processes by memory usage
alias largest-mem="ps -eo size,pid,user,command --sort -size | awk '{ hr=\$1/1024 ; printf(\"%13.2f Mb \",hr)  } { for ( x=4 ; x<=NF ; x++  ) { printf(\"%s \",\$x)  } print \"\"  }' | head -n 15"

# Aliases thefuck pkg as 'tf' so just type that to fix a command
eval $(thefuck --alias tf)

# Call from cmdline as 'aws_profile <prof_name>' to switch the current aws cli profile
#   Profile names are found in ~/.aws/config
function aws-profile() {
    if [[ $# -eq 0 ]]; then
        echo -e "\nErr: Call this with a profile name"
        echo -e "Your profiles (~/.aws/config):\n"
        cat ~/.aws/config
    else 
        export AWS_PROFILE=$1
    fi
}

# AWS CLI utility functions
function hostname_from_instance() {
    aws ec2 describe-instances --filters "{\"Name\":\"tag:Name\", \"Values\":[\"$1\"]}" --query='Reservations[0].Instances[0].PublicDnsName' --output text | tr -d '"'
}
function ip_from_instance() {
    name="$1"
    shift # Remove name from args list
    aws ec2 describe-instances --filters "{\"Name\":\"tag:Name\", \"Values\":[\"$name\"]}" --query='Reservations[0].Instances[0].PublicIpAddress' "$@" --output text | tr -d '"'
}
# Call as 'ssh-aws <name>' with ' --region <reg-name>' if default region not set in aws-cli
#   Region can be anything like us-west-2 (don't put any sub-region letters since it won't work)
# TODO: Figure out how to pass ssh options like -Y and -L 6006:localhost:6006
function ssh-aws() { 
    ssh "ubuntu@$(ip_from_instance "$@")"

    if [[ $? == 255 ]]; then
        echo "If the machine name could not be resolved, verify that your aws cli profile is set to the correct user"
        return 255
    fi
}

# TODO: Figure out how a scp function from an ec2 name would be possible
# Maybe just parse for the string before a colon to find the name, and check that there is only one colon in the passed args
function scp-aws() {
    orig_cmd="$*"
    # Count NumFields with colons
    num_colons=$(echo "$orig_cmd" | awk -F: '{print NF-1}')

    if [[ $num_colons != 1 ]]; then
        echo "ERR: You must only have 1 colon in this scp command. Found: $num_colons."
        return 1
    fi
    echo "|$orig_cmd|"
   
    # TODO: region extraction doesn't work. 
    region=$(echo "$orig_cmd" | sed -E 's@^(.).*\s--region\s([\w,-]*).*$@\1\2@')
    #region=$(echo "$orig_cmd" | sed -E 's@^(.*\s|)(.*)(:.*$)@\1\2@')
    echo "r:$region"

    return 1

    # Extract word before the colon
    name_match_str='^(.*\s|)(.*)(:.*$)'
    name=$(echo "$orig_cmd" | sed -E 's/'"$name_match_str"'/\2/')

    echo "$name"

    ip=$(ip_from_instance "$name")

    echo "$ip"
    ip="43433"



    final_cmd=$(echo "$orig_cmd" | sed -E 's/'"$name_match_str"'/scp \1'"$ip"'\3/')
    echo "$final_cmd"
}

# Report port forwarding functions from https://superuser.com/questions/248389/list-open-ssh-tunnels/1437366#1437366
function ports_local_forwardings() {

  echo 
  echo "LOCAL PORT FORWARDING"
  echo
  echo "You set up the following local port forwardings:"
  echo

  lsof -a -i4 -P -c '/^ssh$/' -u$USER -s TCP:LISTEN

  echo
  echo "The processes that set up these forwardings are:"
  echo

  # -a ands the selection criteria (default is or)
  # -i4 limits to ipv4 internet files
  # -P inhibits the conversion of port numbers to port names
  # -c /regex/ limits to commands matching the regex
  # -u$USER limits to processes owned by $USER
  # http://man7.org/linux/man-pages/man8/lsof.8.html
  # https://stackoverflow.com/q/34032299
  ps -f -p $(lsof -t -a -i4 -P -c '/^ssh$/' -u$USER -s TCP:LISTEN)

}

function ports_remote_forwardings() {

  echo 
  echo "REMOTE PORT FORWARDING"
  echo
  echo "You set up the following remote port forwardings:"
  echo

  ps -f -p $(lsof -t -a -i -c '/^ssh$/' -u$USER -s TCP:ESTABLISHED) | awk '
  NR == 1 || /R [[:digit:]]+:\S+:[[:digit:]]+.*/
  '
}

#### Better grep that excludes directories from the .gitignore file in the current repo
function grep_ignore() {
    if [ -r .gitignore ]; then
        while read -r line; do
            if [[ "$line" =~ '#' ]] || [[ "$line" =~ ^$ ]]; then
                continue
            fi
            EXCLUDE="$EXCLUDE --exclude-dir=\"$line\""
        done < .gitignore
    fi

    # Recursive, Display line number of match in file, Ignore case
    eval grep -rni "$EXCLUDE" '"$@"'
}
alias grepignore='grep_ignore'

export PATH="$PATH:$HOME/.rvm/bin"
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"



function add_domain_to_blacklist() {
    if [[ $# -eq 0 ]]; then
        echo "ERR: Call this with a domain name"
        return 1
    fi

    # Need to sudo the entire thing since just doing 'sudo echo...' doesn't work because the shell is the one doing the redirection '>>' not the echo command
    sudo sh -c "echo '127.0.0.1 $1' >> /etc/hosts"
}
alias blacklist_domain='add_domain_to_blacklist'

function find-all-hidden-swp-files() {
    find . -type f -name ".*.swp"
}
function delete-all-hidden-swp-files() {
    echo "\nDeleting files\n"

    while IFS= read -r file_to_delete; do
        rm -f "${file_to_delete}"
    done < <(find-all-hidden-swp-files)
}
alias rm-all-hidden-swp-files='delete-all-hidden-swp-files'



# Displays the content of all *untracked* files in the current git repo, from the current dir down
# Can combine running this with `less` as `show-all-untracked-file-contents | less` to get in a paged format
function show-all-untracked-file-contents() {
    git ls-files --others --exclude-standard | while read file; do echo -e "\n\n\n\n\n\n=============\033[32m\n$file"; echo -e "\033[0m"; cat "$file"; done
}
alias cat-untracked-file-contents='show-all-untracked-file-contents'

# Enables having the `pbpaste | something | pbcopy` idiom as `pbfilter something`, which enables easy filtering/transformation of clipboard text through a shell command 
# Ex. 
#   - pbfilter | json_pp 
#   - pbfilter | sed 's/this/that/'
#   - pbfilter | vipe # to edit text more easily in vim and then save it back to clipboard
# Calling this without arguments will remove any formatting from the text in the pasteboard, putting just plain text back.
# It does have a some limitations, though: you can't use it with an alias, or pipeline, or anything complex like that. The filter command must be a single regular command (or function) and its arguments.
function pbfilter() {
      if [ $# -gt 0 ]; then
          (pbpaste | "$@" | pbcopy)
      else
          pbpaste | pbcopy
      fi
} 

# Can't use vipe with pbfilter as vipe is interactive, so this separate one just for vipe
function pbvipe() {
    pbpaste | vipe | pbcopy
}

function pb_python_dict_to_json() {
     pbpaste | python -c "import json; import sys; import ast; string = sys.stdin.read(); d = ast.literal_eval(string); out = json.dumps(d); print(out)" | pbcopy
}

# ----- local configuration ----------------------------------------------------
# Put settings that should be there for each local machine in ~/.shellrc.extra
    # so that local preferences aren't pushed to the git repo 
if [[ -f ~/.shellrc.extra ]]; then
    source ~/.shellrc.extra
fi


# Put all scripts in this folder into the PATH so that they can be called from anywhere in the shell
export PATH=~"/.scripts_global:$PATH"